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WesternAreaPowerAdministrationU.S.DepartmentofEnergyTypeAAccidentInvestigationReportVehicleFatalityAccident,July1,200859thAvenueNEandHighway117WestofCando,NorthDakotaAugust2008DisclaimerThisreportisanindependentproductoftheTypeAAccidentInvestigationBoard(Board)appointedbyAnthonyH.Montoya,ChiefOperatingOfficer,OfficeoftheChiefOperatingOfficer,WesternAreaPowerAdministration.TheBoardwasappointedtoperformaTypeAInvestigationofthisaccidentandtoprepareaninvestigationreportinaccordancewithDOEOrder225.1A,AccidentInvestigations.Thediscussionoffacts,asdeterminedbytheBoard,andtheviewsexpressedinthereportdonotassumeandarenotintendedtoestablishtheexistenceofanydutyatlawonthepartoftheU.S.Government,itsemployeesoragents,contractors,theiremployeesoragents,orsubcontractorsatanytier,oranyotherparty.Thisreportneitherdeterminesnorimpliesliability.TableofContentsAcronymsandDefinitions.......................................................................................iiiExecutiveSummary................................................................................................iv1.0Introduction1.1Background.............................................................................................11.2AccidentSiteDescription........................................................................11.3Scope,Purpose,ConductandMethodology...........................................11.3.1Scope........................................................................................21.3.2Purpose.....................................................................................21.3.3Conduct.....................................................................................21.3.4Methodology..............................................................................32.0AccidentFactsandAnalysis2.1AccidentDescriptionandChronology.....................................................42.1.1BackgroundandAccidentDescription.......................................42.1.2ChronologyofEvents................................................................42.1.2.1Pre­CrashEventsDescription......................................42.1.2.2CrashEventsDescription............................................52.1.2.3Post­CrashEventsDescription....................................52.2AccidentResponse.......................................................................62.3AccidentNotificationsandTeamFormation.................................62.4AncillaryIssues.............................................................................73.0Analysis3.1EventsandCausalEvents......................................................................83.2BarrierAnalysis.......................................................................................83.3SafeStartProgramAnalysis...................................................................83.4SpeedandStoppingDistanceAnalysis...................................................83.5CasualFactors........................................................................................94.0ConclusionsandJudgmentsofNeed...............................................................105.0BoardSignatures..............................................................................................116.0BoardMembersandSupportStaff............................................................